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AI.VII.G.S11FAA-S-ACS-25 · Nov 2023Skills

Rotate and lift off at the recommended airspeed, and accelerate to the recommended obst...

ACS element text (the applicant demonstrates understanding of)

Rotate and lift off at the recommended airspeed, and accelerate to the recommended obstacle clearance airspeed or VX.

Bottom line

The airspeed at which an airplane gains the greatest amount of altitude in a given distance. The pilot should resist any impulse to pitch-up for a climb if airspeed is insufficient.

FAA references

  1. AFH Glossary (p. G-18) — FAA-H-8083-3C
  2. AIH ch. 10 (p. 10-8) — FAA-H-8083-9B
  3. AFH ch. 16 (p. 16-17) — FAA-H-8083-3C
  4. AIM 7-6-7 (Mountain Flying) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  5. AFH ch. 9 (p. 9-11) — FAA-H-8083-3C
  6. RMH App. C (p. C-1) — FAA-H-8083-2A
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